/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:17:21,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:17:21,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:17:21,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:17:21,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:17:21,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:17:21,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:17:21,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:17:21,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:17:21,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:17:21,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:17:21,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:17:21,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:17:21,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:17:21,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:17:21,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:17:21,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:17:21,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:17:21,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:17:21,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:17:21,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:17:21,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:17:21,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:17:21,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:17:21,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:17:21,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:17:21,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:17:21,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:17:21,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:17:21,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:17:21,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:17:21,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:17:21,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:17:21,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:17:21,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:17:21,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:17:21,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:17:21,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:17:21,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:17:21,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:17:21,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:17:21,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:17:21,172 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:17:21,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:17:21,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:17:21,173 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:17:21,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:17:21,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:17:21,174 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:17:21,174 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:17:21,174 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:17:21,174 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:17:21,174 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:17:21,175 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:17:21,175 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:17:21,175 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:17:21,175 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:17:21,175 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:17:21,175 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:17:21,175 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:17:21,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:17:21,176 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:17:21,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:17:21,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:17:21,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:17:21,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:17:21,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:17:21,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:17:21,177 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:17:21,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:17:21,177 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:17:21,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:17:21,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:17:21,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:17:21,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:17:21,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:17:21,178 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:17:21,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:17:21,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:17:21,178 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:17:21,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:17:21,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:17:21,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:17:21,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:17:21,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:17:21,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:17:21,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:17:21,418 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:17:21,418 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:17:21,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2023-04-03 00:17:22,456 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:17:22,672 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:17:22,676 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2023-04-03 00:17:22,697 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd581460/ab1b67a695c84fb2a0aa5d0518f60f2e/FLAG6a8ce007f [2023-04-03 00:17:22,707 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd581460/ab1b67a695c84fb2a0aa5d0518f60f2e [2023-04-03 00:17:22,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:17:22,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:17:22,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:17:22,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:17:22,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:17:22,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:17:22" (1/1) ... [2023-04-03 00:17:22,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@764caf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:22, skipping insertion in model container [2023-04-03 00:17:22,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:17:22" (1/1) ... [2023-04-03 00:17:22,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:17:22,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:17:23,175 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2023-04-03 00:17:23,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:17:23,190 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:17:23,259 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2023-04-03 00:17:23,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:17:23,274 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:17:23,279 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:17:23,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:23 WrapperNode [2023-04-03 00:17:23,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:17:23,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:17:23,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:17:23,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:17:23,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:23" (1/1) ... [2023-04-03 00:17:23,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:23" (1/1) ... [2023-04-03 00:17:23,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:23" (1/1) ... [2023-04-03 00:17:23,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:23" (1/1) ... [2023-04-03 00:17:23,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:23" (1/1) ... [2023-04-03 00:17:23,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:23" (1/1) ... [2023-04-03 00:17:23,370 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:23" (1/1) ... [2023-04-03 00:17:23,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:23" (1/1) ... [2023-04-03 00:17:23,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:17:23,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:17:23,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:17:23,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:17:23,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:23" (1/1) ... [2023-04-03 00:17:23,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:17:23,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:17:23,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 00:17:23,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 00:17:23,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:17:23,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:17:23,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:17:23,449 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:17:23,449 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:17:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:17:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:17:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:17:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:17:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:17:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:17:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:17:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:17:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:17:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:17:23,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:17:23,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:17:23,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:17:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:17:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:17:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:17:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:17:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:17:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:17:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:17:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:17:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:17:23,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:17:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:17:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:17:23,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:17:23,475 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:17:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:17:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:17:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:17:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:17:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:17:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:17:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:17:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:17:23,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:17:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:17:23,476 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:17:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:17:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:17:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:17:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:17:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:17:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:17:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:17:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:17:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:17:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:17:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:17:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:17:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:17:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:17:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:17:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:17:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:17:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:17:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:17:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:17:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:17:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:17:23,731 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:17:23,738 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:17:24,590 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:17:25,120 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:17:25,120 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:17:25,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:17:25 BoogieIcfgContainer [2023-04-03 00:17:25,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:17:25,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:17:25,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:17:25,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:17:25,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:17:22" (1/3) ... [2023-04-03 00:17:25,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed5ee76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:17:25, skipping insertion in model container [2023-04-03 00:17:25,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:17:23" (2/3) ... [2023-04-03 00:17:25,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed5ee76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:17:25, skipping insertion in model container [2023-04-03 00:17:25,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:17:25" (3/3) ... [2023-04-03 00:17:25,133 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product13.cil.c [2023-04-03 00:17:25,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:17:25,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:17:25,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:17:25,195 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5562e81d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:17:25,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:17:25,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 326 states, 166 states have (on average 1.2108433734939759) internal successors, (201), 172 states have internal predecessors, (201), 91 states have call successors, (91), 61 states have call predecessors, (91), 61 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2023-04-03 00:17:25,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-03 00:17:25,210 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:17:25,211 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:17:25,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:17:25,215 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:17:25,215 INFO L85 PathProgramCache]: Analyzing trace with hash 26193948, now seen corresponding path program 1 times [2023-04-03 00:17:25,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:17:25,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320431501] [2023-04-03 00:17:25,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:17:25,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:17:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:17:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:17:25,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:17:25,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320431501] [2023-04-03 00:17:25,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320431501] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:17:25,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:17:25,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:17:25,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694095314] [2023-04-03 00:17:25,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:17:25,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:17:25,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:17:25,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:17:25,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:17:25,606 INFO L87 Difference]: Start difference. First operand has 326 states, 166 states have (on average 1.2108433734939759) internal successors, (201), 172 states have internal predecessors, (201), 91 states have call successors, (91), 61 states have call predecessors, (91), 61 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:17:25,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:17:25,709 INFO L93 Difference]: Finished difference Result 439 states and 515 transitions. [2023-04-03 00:17:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:17:25,711 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 141 [2023-04-03 00:17:25,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:17:25,725 INFO L225 Difference]: With dead ends: 439 [2023-04-03 00:17:25,725 INFO L226 Difference]: Without dead ends: 291 [2023-04-03 00:17:25,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:17:25,731 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:17:25,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 317 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:17:25,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-04-03 00:17:25,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2023-04-03 00:17:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 151 states have (on average 1.205298013245033) internal successors, (182), 154 states have internal predecessors, (182), 82 states have call successors, (82), 61 states have call predecessors, (82), 57 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2023-04-03 00:17:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 341 transitions. [2023-04-03 00:17:25,796 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 341 transitions. Word has length 141 [2023-04-03 00:17:25,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:17:25,798 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 341 transitions. [2023-04-03 00:17:25,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:17:25,800 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 341 transitions. [2023-04-03 00:17:25,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-03 00:17:25,807 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:17:25,807 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:17:25,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:17:25,808 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:17:25,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:17:25,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1184868467, now seen corresponding path program 1 times [2023-04-03 00:17:25,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:17:25,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841763575] [2023-04-03 00:17:25,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:17:25,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:17:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:17:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:17:26,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:17:26,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841763575] [2023-04-03 00:17:26,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841763575] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:17:26,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:17:26,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:17:26,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191930797] [2023-04-03 00:17:26,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:17:26,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:17:26,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:17:26,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:17:26,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:17:26,077 INFO L87 Difference]: Start difference. First operand 291 states and 341 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:17:26,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:17:26,162 INFO L93 Difference]: Finished difference Result 424 states and 484 transitions. [2023-04-03 00:17:26,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:17:26,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 142 [2023-04-03 00:17:26,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:17:26,171 INFO L225 Difference]: With dead ends: 424 [2023-04-03 00:17:26,171 INFO L226 Difference]: Without dead ends: 293 [2023-04-03 00:17:26,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:17:26,176 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 0 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:17:26,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 614 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:17:26,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-04-03 00:17:26,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2023-04-03 00:17:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 153 states have (on average 1.2026143790849673) internal successors, (184), 156 states have internal predecessors, (184), 82 states have call successors, (82), 61 states have call predecessors, (82), 57 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2023-04-03 00:17:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 343 transitions. [2023-04-03 00:17:26,194 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 343 transitions. Word has length 142 [2023-04-03 00:17:26,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:17:26,195 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 343 transitions. [2023-04-03 00:17:26,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:17:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 343 transitions. [2023-04-03 00:17:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-04-03 00:17:26,197 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:17:26,197 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:17:26,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:17:26,197 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:17:26,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:17:26,198 INFO L85 PathProgramCache]: Analyzing trace with hash -601644365, now seen corresponding path program 1 times [2023-04-03 00:17:26,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:17:26,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200669961] [2023-04-03 00:17:26,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:17:26,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:17:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:17:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:17:26,308 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:17:26,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200669961] [2023-04-03 00:17:26,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200669961] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:17:26,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:17:26,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:17:26,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576287976] [2023-04-03 00:17:26,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:17:26,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:17:26,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:17:26,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:17:26,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:17:26,310 INFO L87 Difference]: Start difference. First operand 293 states and 343 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:17:26,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:17:26,385 INFO L93 Difference]: Finished difference Result 566 states and 690 transitions. [2023-04-03 00:17:26,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:17:26,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 147 [2023-04-03 00:17:26,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:17:26,387 INFO L225 Difference]: With dead ends: 566 [2023-04-03 00:17:26,387 INFO L226 Difference]: Without dead ends: 331 [2023-04-03 00:17:26,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:17:26,389 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 51 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:17:26,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 620 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:17:26,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2023-04-03 00:17:26,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 330. [2023-04-03 00:17:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 183 states have (on average 1.284153005464481) internal successors, (235), 186 states have internal predecessors, (235), 89 states have call successors, (89), 61 states have call predecessors, (89), 57 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-04-03 00:17:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 408 transitions. [2023-04-03 00:17:26,401 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 408 transitions. Word has length 147 [2023-04-03 00:17:26,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:17:26,401 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 408 transitions. [2023-04-03 00:17:26,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:17:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 408 transitions. [2023-04-03 00:17:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-04-03 00:17:26,403 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:17:26,403 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:17:26,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:17:26,403 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:17:26,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:17:26,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1219192509, now seen corresponding path program 1 times [2023-04-03 00:17:26,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:17:26,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122562422] [2023-04-03 00:17:26,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:17:26,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:17:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:17:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:17:26,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:17:26,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122562422] [2023-04-03 00:17:26,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122562422] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:17:26,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638723467] [2023-04-03 00:17:26,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:17:26,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:17:26,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:17:26,608 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 00:17:26,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 00:17:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:17:27,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 1974 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:17:27,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:17:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:17:27,087 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:17:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:17:27,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638723467] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:17:27,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1120142510] [2023-04-03 00:17:27,266 INFO L159 IcfgInterpreter]: Started Sifa with 137 locations of interest [2023-04-03 00:17:27,266 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:17:27,269 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:17:27,273 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:17:27,273 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:17:30,300 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:17:30,808 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 297 for LOIs [2023-04-03 00:17:35,225 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:17:37,622 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:17:39,033 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:17:39,770 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:17:41,154 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:17:41,970 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:21:20,881 WARN L223 SmtUtils]: Spent 3.62m on a formula simplification. DAG size of input: 19281 DAG size of output: 300 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:21:21,033 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs